package com.ruoyi.framework.web.service;

import javax.annotation.Resource;

import cn.hutool.core.util.IdUtil;
import com.alibaba.fastjson2.JSON;
import com.alibaba.fastjson2.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ruoyi.common.core.domain.YhMp;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.http.HttpUtils;
import com.ruoyi.common.core.domain.entity.YhMember;
import com.ruoyi.framework.web.domain.WechatMPLoginParams;
import com.ruoyi.system.domain.SysUserRole;
import com.ruoyi.system.mapper.YhMpMapper;
import com.ruoyi.system.service.IYhMemberService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.stereotype.Component;
import com.ruoyi.common.constant.CacheConstants;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.constant.UserConstants;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginUser;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.exception.user.BlackListException;
import com.ruoyi.common.exception.user.CaptchaException;
import com.ruoyi.common.exception.user.CaptchaExpireException;
import com.ruoyi.common.exception.user.UserNotExistsException;
import com.ruoyi.common.exception.user.UserPasswordNotMatchException;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.MessageUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.ip.IpUtils;
import com.ruoyi.framework.manager.AsyncManager;
import com.ruoyi.framework.manager.factory.AsyncFactory;
import com.ruoyi.framework.security.context.AuthenticationContextHolder;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysUserService;

import java.util.Date;

/**
 * 登录校验方法
 * 
 * @author ruoyi
 */
@Component
@Slf4j
public class SysLoginService
{
    @Autowired
    private TokenService tokenService;

    @Resource
    private AuthenticationManager authenticationManager;

    @Autowired
    private RedisCache redisCache;
    
    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysConfigService configService;

    @Autowired
    private IYhMemberService yhMemberService;

    @Autowired
    private YhMpMapper yhMpMapper;

    /**
     * 登录验证
     * 
     * @param username 用户名
     * @param password 密码
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    public String login(String username, String password, String code, String uuid)
    {
        // 验证码校验
        validateCaptcha(username, code, uuid);
        // 登录前置校验
        loginPreCheck(username, password);
        // 用户验证

        Authentication authentication = null;
        try
        {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(username, password);
            AuthenticationContextHolder.setContext(authenticationToken);
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        }
        catch (Exception e)
        {
            if (e instanceof BadCredentialsException)
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            }
            else
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        }
        finally
        {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());
        // 生成token
        return tokenService.createToken(loginUser);
    }

    public String getTokenByOpenId(String openId){

        // 用户验证
        Authentication authentication = null;
        try
        {
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(openId, openId);
            AuthenticationContextHolder.setContext(authenticationToken);
            // 该方法会去调用UserDetailsServiceImpl.loadUserByUsername
            authentication = authenticationManager.authenticate(authenticationToken);
        }
        catch (Exception e)
        {
            if (e instanceof BadCredentialsException)
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(openId, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
                throw new UserPasswordNotMatchException();
            }
            else
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(openId, Constants.LOGIN_FAIL, e.getMessage()));
                throw new ServiceException(e.getMessage());
            }
        }
        finally
        {
            AuthenticationContextHolder.clearContext();
        }
        AsyncManager.me().execute(AsyncFactory.recordLogininfor(openId, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
        recordLoginInfo(loginUser.getUserId());
        // 生成token
        return tokenService.createToken(loginUser);
    }
//    public String getTokenByOpenId(String id,String openId){
//
//        AsyncManager.me().execute(AsyncFactory.recordLogininfor(id, Constants.LOGIN_SUCCESS, MessageUtils.message("user.login.success")));
//        AuthenticationContextHolder.clearContext();
//
//        YhMember byId = yhMemberService.getById(id);
//        LoginUser loginUser = new LoginUser();
//        loginUser.setOpenId(openId);
//        loginUser.setUserId(Long.valueOf(byId.getUserId()));
//        loginUser.setMemberId(id);
//        loginUser.setLoginTime(System.currentTimeMillis());
//        SysUser sysUser = userService.selectUserById(Long.valueOf(byId.getUserId()));
//        loginUser.setUser(sysUser);
//        loginUser.setYhMember(byId);
//        // 生成token
//        log.info("loginUser-----------:{}",loginUser);
//        return tokenService.createToken(loginUser);
//    }

    /**
     * 小程序绑定
     * @param  params 绑定参数
     * @return 令牌
     */
    public String mpBind(WechatMPLoginParams params) {
        JSONObject connect = getConnect(params.getCode());
        log.info("connect-----------:{}",connect);

        String openId = connect.getString("openid");

        LambdaQueryWrapper<YhMember> yhMemberQueryWrapper = new LambdaQueryWrapper<>();
        yhMemberQueryWrapper.eq(YhMember::getOpenId, openId);

        YhMember yhMember = yhMemberService.getOne(yhMemberQueryWrapper);
        if(yhMember == null){
            boolean success = false;
            while (!success) {
                Long snowflakeNextId = IdUtil.getSnowflakeNextId();
                try {
                    // 创建用户
                    SysUser sysUser = new SysUser();
                    sysUser.setUserId(snowflakeNextId);
                    sysUser.setUserName(openId);
                    sysUser.setPassword(SecurityUtils.encryptPassword(openId));
                    sysUser.setNickName(params.getNickname());
                    sysUser.setUserType("02");
                    userService.insertUser(sysUser);

                    yhMember = new YhMember();
                    yhMember.setId(snowflakeNextId.toString());
                    yhMember.setNickName(params.getNickname());
                    yhMember.setFace(params.getAvatar());
                    yhMember.setParentId(params.getShareBy());
                    yhMember.setOpenId(openId);
                    yhMember.setUserId(sysUser.getUserId().toString());
                    yhMember.setCreateTime(new Date());
                    yhMemberService.save(yhMember);
                    success = true;
                } catch (Exception e) {
                    userService.deleteUserById(snowflakeNextId);
                    yhMemberService.removeById(snowflakeNextId);
                }
            }
        }else{
            if(yhMember.getIsDisable() == 1)
                throw new ServiceException("账号违规，已被禁用！");
        }

        return getTokenByOpenId(openId);
    }


    /**
     * 通过微信返回等code 获取openid 等信息
     *
     * @param code 微信code
     * @return 微信返回的信息
     */
    public JSONObject getConnect(String code) {
        log.info("code-------{}", code);

        YhMp yhMp = yhMpMapper.getYhMpSetting();

        String url = "https://api.weixin.qq.com/sns/jscode2session?" +
                "appid=" + yhMp.getAppId() + "&" +
                "secret=" + yhMp.getAppSecret() + "&" +
                "js_code=" + code + "&" +
                "grant_type=authorization_code";
        String content = HttpUtils.doGet(url, "UTF-8", 100, 1000);

        return JSON.parseObject(content);
    }

    /**
     * 校验验证码
     * 
     * @param username 用户名
     * @param code 验证码
     * @param uuid 唯一标识
     * @return 结果
     */
    public void validateCaptcha(String username, String code, String uuid)
    {
        boolean captchaEnabled = configService.selectCaptchaEnabled();
        if (captchaEnabled)
        {
            String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + StringUtils.nvl(uuid, "");
            String captcha = redisCache.getCacheObject(verifyKey);
            redisCache.deleteObject(verifyKey);
            if (captcha == null)
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.expire")));
                throw new CaptchaExpireException();
            }
            if (!code.equalsIgnoreCase(captcha))
            {
                AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.jcaptcha.error")));
                throw new CaptchaException();
            }
        }
    }

    /**
     * 登录前置校验
     * @param username 用户名
     * @param password 用户密码
     */
    public void loginPreCheck(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password))
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("not.null")));
            throw new UserNotExistsException();
        }
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH)
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("user.password.not.match")));
            throw new UserPasswordNotMatchException();
        }
        // IP黑名单校验
        String blackStr = configService.selectConfigByKey("sys.login.blackIPList");
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr()))
        {
            AsyncManager.me().execute(AsyncFactory.recordLogininfor(username, Constants.LOGIN_FAIL, MessageUtils.message("login.blocked")));
            throw new BlackListException();
        }
    }

    /**
     * 记录登录信息
     *
     * @param userId 用户ID
     */
    public void recordLoginInfo(Long userId)
    {
        SysUser sysUser = new SysUser();
        sysUser.setUserId(userId);
        sysUser.setLoginIp(IpUtils.getIpAddr());
        sysUser.setLoginDate(DateUtils.getNowDate());
        userService.updateUserProfile(sysUser);
    }
}
